Results 1 to 10 of about 13,633 (203)

Punching Strength of Reactive Powder Reinforced Concrete Flat Slabs [PDF]

Tikrit Journal of Engineering Sciences, 2021
This research is devoted to investigating experimentally the punching shear strength of reactive powder concrete slabs under monotonic loading. All slabs have the same flexural reinforcement and same dimensions (1000mm length,600mm width,50mm ...
Mustafa Al-Mashaykhi, Belal Alsubari, Mazin B. Abdulrahman, Aayat A. Hussein   +3 more
doaj   +1 more source

Thermal neutron detection based on resistive gaseous devices [PDF]

EPJ Web of Conferences, 2023
In the framework of the uRANIA (u-Rwell Advanced Neutron Imaging Apparatus) project, we are developing innovative thermal neutron detectors based on resistive gaseous devices such as micro-Resistive WELL (μ-RWELL) and surface Resistive Plate Counter ...
Bencivenni G., Balossino I., Cibinetto G., De Oliveira R., Farinelli R., Felici G., Garzia I., Gatta M., Giovannetti M., Gramigna S., Lavezzi L., Mezzadri G., Morello G., Papalino G., Poli Lener M., Scodeggio M.   +15 more
doaj   +1 more source

The Influence of Rumen-Protected Choline and α-tocopherol Supplementation on Early Lactating Dairy Cows Metabolism [PDF]

Archives of Razi Institute, 2022
It is well documented that choline is known as one of the essential ingredients of phospholipids. Choline acts as a determinative element for appropriate cell membrane functions. On the other hand α-tocopherol (Vit E) is a fat-soluble vitamin.
Y Salam Karim, S. K Hachim, A Abdul Ali, A Ameen Baqer, M Ali Yaseen, H. A Lafta, Z Hussein Adhab, H Ayad Kareem, I Shaker Hamza, D. A Hamad   +9 more
doaj   +1 more source

Methods of design a multiport measurements [PDF]

ITM Web of Conferences, 2019
The main implementation options for multiport RF and microwave measurements using n-port vector network analyzers, as well as switching measuring expansion units, are considered.
Nechaev Vladimir, Kravchenko Oleg, Ulyanov Vladimir   +2 more
doaj   +1 more source

X-band transceiver module with a function of internal verification of receiving and transmitting channels [PDF]

ITM Web of Conferences, 2019
The block diagram of the operability test of the receiving and transmitting channels as part of the transceiver module is described. The principle of operation of units verifying the operability of the receiving and transmitting channels is considered ...
Karasev Maksim, Dalinger Alexander, Shatsky Sergei, Shchyogolev Sergei, Adiatulin Andrey, Zavyalov Dmitriy, Barskov Sergei   +6 more
doaj   +1 more source

10 cm range small-size reference microwave oscillator on a coaxial resonator with a PLL and a low level of phase noise [PDF]

ITM Web of Conferences, 2019
The results of development and modernization of a high-stable small-size reference microwave oscillator with a PLL and a low level of phase noise for use in special purpose equipment with an operating frequency of 3.6 GHz, phase noise (with 2 kHz offset)
Samokhin Sergey, Goryunov Ivan, Iovdalskiy Viktor, Teryoshkin Еvgeniy, Fyodorov Nikolay   +4 more
doaj   +1 more source

Measurement of effective magnetic anisotropy field and ferromagnetic resonance bandwidth at ferromagnetic resonance frequency in magnetically uniaxial hexagonal ferrites [PDF]

Modern Electronic Materials, 2019
In this work we have considered metrological problems and measurement of magnetic parameters and presented methods of measuring effective magnetic anisotropy field HAeff and ferromagnetic resonance bandwidth ∆H in magnetically uniaxial hexagonal ferrites
Alexey S. Semenov, Aleksey G. Nalogin, Sergey V. Shcherbakov, Alexander V. Myasnikov, Igor M. Isaev, Vladimir G. Kostishin, Natalya E. Adiadulina, Albert A. Alekseev, Evgeny A. Belokon, Marina P. Mezentseva   +9 more
doaj   +3 more sources

Subsurface disorder and electro-optical properties of proton-exchanged LiNbO3 waveguides produced by different techniques [PDF]

Journal of the European Optical Society-Rapid Publications, 2014
It has been established, that proton-exchanged LiNbO3 waveguides have a marked subsurface layer with structural disorder inducing degradation of electro-optical properties of these waveguides.
Kostritskii S. M., Korkishko Y. N., Fedorov V. A., Mitrokhin V. P., Sevostyanov O. G., Chirkova I. M., Stepanenko O., De Micheli M.   +7 more
doaj   +1 more source

The effect of gas pressure during ion-plasma deposition on the microstructure of M-coatings and the emission properties of molecular sputter-deposited oxide cathodes [PDF]

ITM Web of Conferences, 2019
The results of the study of the effect of gas pressure and gas composition bу ion-plasma deposition of oxide coatings on the microstructure and the emission properties of molecular sputter-deposited oxide cathodes (MSDOC) are presented. Scanning electron
Zhabin Gennady, Arkhipov Denis
doaj   +1 more source

Features of Formation of Ohmic Contacts and Gate on Epitaxial Heterostructure of AlGaN / GaN High Electron Mobility Transistor [PDF]

Журнал нано- та електронної фізики, 2016
Reported about study of processes of formation of Ti / Al / Ni / Au ohmic contacts to heterostructures AlGaN / GaN and gate Ni / Au. Investigated of process recess the semiconductor layer for minimum resistance of ohmic contact – 0.4 Ohm·mm.
I.A. Rogachev, A.V. Knyazkov, O.I. Meshkov, A.S. Kurochka   +3 more
doaj   +1 more source